For what value of k, the following system of equations have unique solution x –ky =2 , 3x +2y = -5​

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Which graph has a rate of change of zero

Me d is also an option but i couldn't get it in the picture